1. Transaction effected pursuant to a pre-planned trading plan entered into on 11/11/2010 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934.

2. Price reflected is the weighted average sale price for shares sold. The range of sales prices for the transactions reported was $29.84 to $30.00 per share. The reporting person undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

3. All options became exercisable as of February 20, 2006, the third anniversary of the grant date.

4. All options became exercisable as of February 18, 2007, the third anniversary of the grant date.

5. All options became exercisable as of February 15, 2009, the third anniversary of the grant date.

6. All options became exercisable as of February 27, 2010, the third anniversary of the grant date.

7. All options became exercisable as of February 26, 2011, the third anniversary of the grant date.

8. One third of the option became exercisable on February 25, 2010, an additional one third, became exercisable on February 25, 2011, and the remaining one-third will become exercisable on February 25, 2012, the third anniversary of the grant date.

9. One third of the option will become exercisable on March 1, 2012, an additional one third of the option will become exercisable on March 1, 2013 and the remaining one-third of the option will become exercisable on March 1, 2014, the third anniversary of the grant date.

10. Each restricted unit will vest on the expiration date and be settled in cash immediately following the expiration date for an amount equal to the closing price per share of the Company's common stock on the expiration date as reported on the New York Stock Exchange.

11. Each restricted unit will be settled in cash as soon as practicable and in any event within 90 days, after November 05, 2012 (the "Valuation Date"). The cash settlement payable per unit shall be equal the closing stock price per share of the Company's common stock on the Valuation Date as reported on the New York Stock Exchange.

12. One-third of the restricted unit award will be settled in cash on the first, second and third anniversaries of the grant date (February 25, 2010) based on the Company's closing stock price on the New York Stock Exchange on the applicable anniversary date. Each tranche of the award is subject to a one year holding period from the date of settlement.

13. Each deferred unit will be settled in cash as soon as practicable, and in any event within 90 days, after the second anniversary of the grant date (November 5, 2009) for an amount equal to the Company's closing stock price on the New York Stock Exchange on the settlement date. Deferred units are fully vested when credited.

14. Each deferred unit will be settled in cash as soon as practicable, and in any event within 90 days, after the second anniversary of the grant date (February 25, 2010) for an amount equal to the Company's closing stock price on the New York Stock Exchange on the settlement date. Deferred units are fully vested when credited.

15. One-third of the deferred unit award will be settled in cash as soon as practicable, and in any event within 90 days, after the first, second and third anniversaries of the grant date {May 3, 2010) based on the Company's closing stock price on the New York Stock Exchange on the applicable anniversary date. Deferred units are fully vested when credited.